DEAR TEACHER:.If you plan to teach about viruses this year, then "Killers Without Cures"--about such lethal lethal /le·thal/ (le´th'l) fatal. le·thal adj. 1. Capable of causing death. 2. Of, relating to, or causing death. lethal deadly; fatal. viruses as Ebola and Marburg--should offer a perfect curriculum tie-in. And this fall, the sun's peaking 11-year activity cycle will shower aurora borealis aurora borealis (bôr'ēăl`ĭs) and aurora australis (ôstrā`lĭs), luminous display of various forms and colors seen in the night sky. , or northern lights, over the Northern Hemisphere: "Sky Show" provides a great hook to interest students in "solar max Solar Max can be an abbreviation of two things:
magnetosphere Region around a planet (such as Earth) or a natural satellite that possesses a magnetic field (see . The U.S. Defense Department has proposed a controversial "nuclear" shield of interceptor rockets to safeguard the nation from enemy attacks. "High-Tech Defense" offers a unique angle to explain nuclear energy to your class. Let us know how these and other features help you. We welcome your feedback. --The Editors e-mail: scienceworld @scholastic.com |
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